(maint) Add recommended extension

[gep13]

Description Of Changes

Add recommend extension for VSCode

Motivation and Context

This extension is useful when editing Markdown files, especially when it contains a Table Of Contents. This extension will update the TOC simply by making changes to the main body.

Testing

N/A

Operating Systems Testing

N/A

Change Types Made

• [ ] Bug fix (non-breaking change).
• [ ] Feature / Enhancement (non-breaking change).
• [ ] Breaking change (fix or feature that could cause existing functionality to change).
• [ ] Documentation changes.
• [ ] PowerShell code changes.

Change Checklist

• [ ] Requires a change to the documentation.
• [ ] Documentation has been updated.
• [ ] Tests to cover my changes, have been added.
• [ ] All new and existing tests passed?
• [ ] PowerShell code changes: PowerShell v3 compatibility checked?

Related Issue

N/A

[pauby]

Thanks for getting this added @gep13 !